Projects completed since last report
Transmission projects significantly affecting the system performance that have been completed since the 2017 Assessment was issued in October 2017, include:
| Project Name | Zone |
|---|---|
| Fox River DIC Retirement | 1 |
| M13-Reinforcement-Bunker Hill-Blackbrook | 1 |
| McMillan - Wildwood 115-kV line N-144, uprate | 1 |
| Okray Substation, breaker installation | 1 |
| Spare Reactor Purchase | 1,3 |
| Springwater Substation, new T-D Interconnection | 1 |
| Three Lakes SS, DIC - Add 2nd Transformer | 1 |
| Westfield SS,DIC - Add 2nd Transformer | 1 |
| White Lake Substation: Install line breaker to sectionalize | 1 |
| Y-121: re-rate 1.2 miles of 69 kV line between Council Creek and Tomah Industrial Park | 1 |
| Install Sagola 69KV Tap | 2 |
| Perch Lake SS, DIC - Upgrade High Side Circuit Breaker | 2 |
| Birchwood Substation: Install a bus tie breaker | 3 |
| Cardinal - North Madison 345 kV line | 3 |
| Enzyme Bio SS, DIC - Add 2nd Transformer | 3 |
| Hillman SS, DIC - Add Transformer | 3 |
| Hooterville SS, DIC - Replace Transformer | 3 |
| J395: Falcon Substation, new G-T interconnection | 3 |
| Juneau Northside SS, DIC - Replace Transformer | 3 |
| Richland Center SS, DIC - Add Transformer | 3 |
| Stoughton West Substation, new T-D Interconnection | 3 |
| Town Hall Substation, new T-D Interconnection | 3 |
| Verona Substation, breaker installation | 3 |
| Walworth SS, DIC - Replace Transformers | 3 |
| Bay Lake: North Appleton Substation -- Construct new 345-kV switchyard and reconfigure 138-kV switchyard | 4 |
| Branch River Substation: Construct new 345-kV switching station | 4 |
| Creekview Substation: 138 kV line construction to serve T-D interconnection | 4 |
| Holland Substation, UVLS Relaying Addition | 4 |
| Lawn Rd Substation: Install 138-kV breakers to sectionalize 138-kV circuit 6851 | 4 |
| Liberty Street SS, DIC - Replace Transformer | 4 |
| South Fond du Lac Substation, motor operator installation | 4 |
| Velp SS, DIC - Replace Transformer | 4 |
| Arcadian - Waukesha 138 kV lines, Uprate (9942/9962) | 5 |
| Cooney SS, DIC - Replace High Side Circuit Switcher | 5 |
| Oak Creek - Hayes 138-kV line 811 uprate and reconfiguration | 5 |
| Oakview Substation: loop line 836 in and out and install 138-kV bus tie breaker | 5 |
| St Martins Substation: Add new 138 kV bus and bus tie breaker | 5 |
| Walker Tap Underground Cable Removal | 5 |